I will second that the biggest thing is weight.
A over weight person will take much much longer to clean out.
Usually people who are overweight have slow metabolisms and dont exercise.

All of these are very key.
UPYooper Reviewed by UPYooper on . Has anyone used Protex b4? Hi guys. I am a daily smoker, but havent for about a couple months because I knew I was getting laid off and would have to start looking for a job, and of course knowing most jobs require a drug test. :( I was offered a job and had to take a drug test within 48 hours, which was Fri. I did a home test and it came back positive for THC. So I went and picked up some PROTOX. The lady gave me the same directions on how to use which I have read the same for other detox products. So I am Rating: 5